<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2019\6\10 0010
 * Time: 21:43
 */
namespace BigVideo\IMooc;

/**
 * 工厂模式
 * Class Factory
 * @package BigVideo\IMooc
 */
class Factory
{
    static function createDataBase()
    {
        return Database::getInstance();
    }
}